I like the concept, but...
...the execution does leave a little bit to be desired. The controls are pretty jerky and slow to respond, especially considering how fast the 0s move. Avoiding the blams is really more a matter of luck than skill. And when you get about 3/4 to the top, the zeros come down like a hailstorm; given the short distance to the top and the slowness of the controls, it is almost impossible to avoid a few doughnuts (and being knocked halfway down the screen immediately). But the concept is good, just work on the controls a bit. 3/5